Base | Representation |
---|---|
bin | 11011110001010011… |
… | …101110110010100011 |
3 | 2211222002100211120001 |
4 | 123301103232302203 |
5 | 442031440111334 |
6 | 21410501200431 |
7 | 2103632146102 |
oct | 336123566243 |
9 | 84862324501 |
10 | 29818285219 |
11 | 11711710028 |
12 | 5942100117 |
13 | 2a72840868 |
14 | 162c266039 |
15 | b97bd2714 |
hex | 6f14eeca3 |
29818285219 has 4 divisors (see below), whose sum is σ = 29835613080. Its totient is φ = 29800957360.
The previous prime is 29818285213. The next prime is 29818285309. The reversal of 29818285219 is 91258281892.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 29818285219 - 211 = 29818283171 is a prime.
It is a super-2 number, since 2×298182852192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 29818285219.
It is not an unprimeable number, because it can be changed into a prime (29818285213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8661349 + ... + 8664790.
It is an arithmetic number, because the mean of its divisors is an integer number (7458903270).
Almost surely, 229818285219 is an apocalyptic number.
29818285219 is a deficient number, since it is larger than the sum of its proper divisors (17327861).
29818285219 is a wasteful number, since it uses less digits than its factorization.
29818285219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17327860.
The product of its digits is 1658880, while the sum is 55.
The spelling of 29818285219 in words is "twenty-nine billion, eight hundred eighteen million, two hundred eighty-five thousand, two hundred nineteen".
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